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Evgen [1.6K]
3 years ago
12

What is the image of point (0,2) after a rotation of 90° counterclockwise about the origin?

Mathematics
1 answer:
saveliy_v [14]3 years ago
4 0

Answer:

(-2,0)

Step-by-step explanation:

remember the rule for 90 degree clockwise is (-y,x) opposite y and x

the negative in there DOES NOT mean it will always be negative it means opposite but in this case yes it's negative because the opposite of positive is negative

Hope this helps dude, I'm also learning this in online school lol. ^-^

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A rectangular flower bed covers an area of 11.76 square feet in the garden. The width of the flower bed is 3.5 feet less than it
Degger [83]
The length and width of the garden will be obtain as follows:
let the length be x ft, the width will be (x+3.5)ft
area of the bed will be:
A=length*width
11.76=x(x+3.5)
11.76=x^2+3.5x
thus
x^2+3.5x-11.76=0
solving this by quadratic formula we get:
x=[-b+/-sqrt(b^2-4ac)]/2a
thus plugging in the values we obtain
x=[-3.5+/-sqrt(3.5^2-4(-11.76*1))]/2
x=[-3.5+/-sqrt59.29]/2
x=[-3.5+/-7.7]/2
x=4.2 or -11.2
thus the length will be x=4.2 ft and the width will be x-3.5=0.7 ft
8 0
3 years ago
Three cards are drawn from a standard deck. What is the probability that all three are hearts, given that at least two of them a
bogdanovich [222]

Answer:

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Step-by-step explanation:

3 0
3 years ago
00000000505 as an scientific notation.
vichka [17]
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</span>
6 0
3 years ago
Simplify the expression below. (-3x^2 +2x -4) (4x^2 +5x -9)?
Veronika [31]
The answer is X^2+7x-13
6 0
4 years ago
Can someone pls help me!!!
max2010maxim [7]

Answer:

It will equally 2 because you need to change the 3 into a 9 because you can't add fractions without having the same common demometer

Step-by-step explanation:

4 0
3 years ago
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